Parent State ID: 103
State Depth: 10
Action Taken: paint-down(robot1, tile_2-1, tile_1-2, black)
Action Reasoning: The next action should be to paint-down from the current position since the robot is holding black and can paint tile_2-2 black, matching the goal state. This aligns with painting requirements and the immediate goal of completing the bottom row.
State Description: Tile tile_0-1 is clear. Tile tile_0-2 is clear. Tile tile_0-3 is clear. Tile tile_1-1 is clear. Tile tile_1-2 is occupied by robot1. Tile tile_1-3 is clear. Tile tile_2-1 is painted black. Tile tile_2-2 is painted white. Tile tile_2-3 is painted black. Robot1 is on tile_1-2, holding color black. Colors white and black are available for switching.
Action Path: ['right(robot1, tile_0-1, tile_0-2)', 'down(robot1, tile_0-2, tile_1-2)', 'paint-down(robot1, tile_2-2, tile_1-2, white)', 'change-color(robot1, white, black)', 'paint-down(robot1, tile_2-3, tile_1-2, black)', 'right(robot1, tile_1-2, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'right(robot1, tile_1-2, tile_1-3)', 'left(robot1, tile_1-3, tile_1-2)', 'paint-down(robot1, tile_2-1, tile_1-2, black)']

successfully verified the action of new state 126 with the path: The action `paint-down(robot1, tile_2-1, tile_1-2, black)` is valid because all preconditions are met: the robot is on `tile_1-2`, `tile_2-1` is directly below and clear, and the robot is holding black. The effects are correctly reflected in the current state, and the action aligns with the goal state requirements. The visualization and description accurately represent the current state.

INACTIVE REASON: Pruned in beam search
